Loctite 55: https://geni.us/fAhoot Blue Monster: https://geni.us/bUoOB Pipe Dope: https://geni.us/1UyWv This looks like dental floss, but it’s Loctite 55— a professional pipe sealing cord rated for gas and water. Viewers asked how it stacks up against the usual suspects, so I built a higher-pressure test: capped half-inch galvanized nipples on elbows, then pressurized the four circuits to ~60 PSI with no flow. We tested: (1) Loctite 55 (6–8 wraps, clockwise), (2) standard white PTFE (Teflon) tap